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Decomposition of a Carbonate

  1. Mar 21, 2015 #1
    • Please post your questions typed, not as pictures.
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    Since the reaction involves the breaking of bonds in MCO3, I assume we are looking at coulomb interactions. I'd think the answer is D) BaCO3 because all the options have a 2+ charge, but barium has the largest radius.
  2. jcsd
  3. Mar 21, 2015 #2


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    What are the products of the decomposition?
  4. Mar 21, 2015 #3


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    Hopefully this link will help. Remember, you're not reacting atoms of the metal, but ions in a compound. It is also more difficult than thinking of which atom is easiest to oxidise. Both metals are oxidised on either side of the reaction.
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